@Entity
@Table(name = "user")
public class User {

  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  private Long id;

  @NotBlank
  @Column(name = "user_name", unique = true)
  private String userName;

  @Column(name = "password")
  private String password;

  @Email
  @NotBlank
  @Column(name = "email")
  private String email;

  @Column(name = "locked")
  private boolean locked;

  @Enumerated(EnumType.STRING)
  @Column(name = "role")
  private Role role;

  @ManyToOne(optional = true, fetch = FetchType.LAZY)
  @JoinColumn(name = "dealer_id", referencedColumnName = "id")
  private Dealer delaer;

  @OneToMany(fetch = FetchType.LAZY, mappedBy = "user")
  private List<EventLog> events;

  protected User() {
    this.events = new ArrayList<>();
  }

  /**
   * Constructor for User.
   *
   * @param userName Username of the user
   * @param password Encrypted password
   * @param email Email of the user
   * @param locked Determines if user account if locked or not
   */
  public User(@Nonnull String userName, @Nonnull String password, @Nonnull String email, boolean locked, @Nonnull Role role) {

    this();

    Preconditions.checkArgument(userName != null);
    Preconditions.checkArgument(password != null);
    Preconditions.checkArgument(email != null);
    Preconditions.checkArgument(role != null);

    this.userName = userName;
    this.password = password;
    this.email = email;
    this.locked = locked;
    this.role = role;
  }
}